function s1_goto_dir(){
	cd "$1"
}

function s2_touch_empty_file_with_given_name(){
	touch "$1"
}

function s3_make_directiories(){
	mkdir -p projecs/git projects/backup
}

function s4_create_6_files() {
        touch projects/linux1_centos projects/linux1_redhat projects/linux1_c_programming projects/linux2_centos projects/linux2_redhat projects/linux2_c_programming
}

function s5_make_directories_in_git(){
	mkdir projects/git/linux1 projects/git/linux2
}

function s6_move_file_to_dir_1_or_2(){
	mv projects/linux1_*projects/git/linux1/mv projects/git/linux2
}

function s7_create_packed_and_compress(){
	tar +czvf projects/backup/git.tar.gz -C projects git
}

function s8_delete_dir_git(){
	rm -rf projects/git
}

function s9_recover_from_git_tar_gz_backup(){
	tar -xzvf projects/backup/git.tar.gz -C projects
}

function s10_create_package_and_compress(){
	tar -jcvf projects/backup/git.tar.bz2 -C projects git
}

function s11_find_and_sort_alphabetically_all_created_files_and_dirs(){
find ./projects | sort
}

function s12_get_next_15_minutes_boundary(){
	date -d"( (($(date + %M)/15))minutes" + "%Y - %m - %d_%H:%M:00)"
}


